{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943160,-0.332338,0.000000,0.000000,0.186018,-0.527911,0.828678,0.000000,-0.274819,0.779926,0.562308,0.000000,-1754693.394262,4979747.005067,3566242.971184,1],    "boundingVolume": {    "region": [1.909515,0.597134,1.909640,0.597214,0.000000,8.501631]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_1286281.b3dm"}}}